---
title: Shark skin is covered in tiny tooth-like scales called dermal dentic… — Sharks · tree and pragmatics
description: Shark skin is covered in tiny tooth-like scales called dermal denticles that help water flow smoothly, and some swimsuits copy them. Who acts: tiny like scales, swimsuits. A sentence of the lesson «Sharks» of the biology course of Mova's primary school with its dependency tree and the pragmatics of 
---

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# Sharks, sentence 14

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Shark skin is covered in tiny tooth-like scales called dermal denticles that help water flow smoothly, and some swimsuits copy them.

<!-- .vintro -->
**Who acts:** tiny like scales, swimsuits · **What happens:** cover, call, help, copy · **To what, where:** Shark skin, dermal denticles, water flow, denticles · **Speech:** someone speaks here

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This is a sentence of the lesson «Sharks» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (tiny like scales, swimsuits), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:028-sharks.lesson:14
# text = Shark skin is covered in tiny tooth-like scales called dermal denticles that help water flow smoothly, and some swimsuits copy them.
# source = school lesson (ours)
# course = biology
# lesson = 028-sharks.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×2, R7-rel-agree ×2
1	Shark	shark	NOUN	NN	Number=Sing	2	compound	_	_
2	skin	skin	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	covered	cover	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	in	in	ADP	IN	_	10	case	_	_
6	tiny	tiny	ADJ	JJ	Degree=Pos	10	amod	_	_
7	tooth	tooth	NOUN	NN	Number=Sing	9	compound	_	_
8	-	-	PUNCT	HYPH	_	9	punct	_	_
9	like	like	ADJ	JJ	Degree=Pos	10	amod	_	_
10	scales	scale	NOUN	NNS	Number=Plur	4	obl	_	_
11	called	call	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	10	acl	_	_
12	dermal	dermal	ADJ	JJ	Degree=Pos	13	amod	_	_
13	denticles	denticle	NOUN	NNS	Number=Plur	11	xcomp	_	Agree=R7-rel-agree|Haiku=11:obj
14	that	that	PRON	WDT	PronType=Rel	15	nsubj	_	_
15	help	help	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	acl:relcl	_	Agree=R5-strong|Haiku=13:acl:relcl
16	water	water	NOUN	NN	Number=Sing	17	compound	_	_
17	flow	flow	NOUN	NN	Number=Sing	15	xcomp	_	Agree=R7-rel-agree|Haiku=15:obj
18	smoothly	smoothly	ADV	RB	_	17	advmod	_	Agree=R5-strong|Haiku=15:advmod
19	,	,	PUNCT	,	_	23	punct	_	_
20	and	and	CCONJ	CC	_	23	cc	_	_
21	some	some	DET	DT	PronType=Ind	22	det	_	_
22	swimsuits	swimsuit	NOUN	NNS	Number=Plur	23	nsubj	_	_
23	copy	copy	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
24	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	23	obj	_	_
25	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cover** | present · passive |  | Shark skin |  |  |  | in tiny like scales | vn fill-9.8-1 «NP V NP PP.theme»: subject=Destination in scale=Theme |
| 2 | **call** | participle | tiny like scales *not said here* | dermal denticles |  |  |  |  | vn initiate\_communication-37.4.2-1 «NP V»: agent=Agent |
| 3 | **help** | present | tiny like scales | water flow |  |  |  |  | vn help-72.1-1-1 «NP V PP.theme»: agent=Agent |
| 4 | **copy** | present | some swimsuits | denticles *= denticle* |  |  |  |  | vn scribble-25.2 «NP V NP»: agent=Agent they=Theme |

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One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:biology:028-sharks.lesson:14`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×2, R7-rel-agree ×2. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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